Cultivator and harrow



May 1, 1923. 1,453,944

U. PEDROAR'ENA CULTIVATOR AND H'Row.

Filed April 6, 1922 2 Sheets-Sheet l `Urbano Pedroarna lMay 1, 1923. l 1;453,944

U.PEDROARENA CULTIVATOR AND HARROW Urbano Pedmrena MMM Patented May 1, 1923.

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- paisano rnnaonnnne, or e-ennnnnvrmn, NEVADA..

CULTIvAroB. Ann HARRow.

Apliiieation 'filed Aprn e,

' To all whom t may concern Be it known that I, URBANO PEDROARENA, a citizenof the UnitedStates, residing at Gardnerville, in the countyl of Douglas and State of Nevada, have invented certain new and usefullrmproveme'nts yin Cultivators and Harrows, of which the following is a specification. f

Thisvinvention relates to agricultural im'-` pleme'nts of the class of harrows, cultivators, clod Crushers and the like,and has Yfor one of itsl objects to provide a device of this character having means wherebythe earth y engagingelements may 'be adjusted to control thedepth of their action`,or elevated to entirely free themfrom the: ground as rej-` quired. v

Vith these and other objects in view the invention consists in certain novell'features f forward portion 12a central or back bone member 13', and transverse stay members 14 and 15, 'the latter riveted or otherwise rigidlyl attachedy to the 'side portions and to the back bone member;y

The side' members 10' and 11 diverge toward the rear, while the forward portion of the back bone-member 13 is directedlongitudinally of the frame with the rear portion bent laterally toward thev rear and riveted or otherwise attached to the rear transverse member 14, as" shown at 16, while another frame member 17 extends obliquely t0 the longitudinal `aXisy of the frame and is riveted or otherwise attached at 18 and 19 to the members 13 and 14.

Two other frame members 20 and 21 are riveted or otherwise attached at 22, 23, 24, and 25to the transverse members 14 and 15,A the members 2O and 21 extending in parallel relation respectively to the side portions 10 and 11. The side portions 10 and 11 and the 1922. serial Np. 550,089.

obliquely directed members `20 and 21 are provided with means for supporting harrow or cultivator teeth,7 indicated conventionally at 26, and therefore operate as beams to the improved implement. i

rfhe frame structureris in A shape, as shown in F ig. 2 with the teeth 26 arranged to form furrows of uniform distance apart, or uniformly cultivate the soil.

A draft chain 27 is applied tothe forward narrower end ofthe as shown.

Attached to the upper face of the forward v supporting frame, I,

frame member 13y are transversely perforated lugs 28 having a transverse pivot pin v 29, and swinging at one end uponthe pin between the ears is a block member 30`having a vertical aperture in its outer end to carry a stud 31. `At its lower end the stud c 31 supports a Yyoke device 32, the `latter forked to support the axle 33 of a caster wheel 34. At its upper end the stud 31 is i extended upwardly to form an operating lever 35. n

By this means the caster wheelis kfree tok rotate and at the same time be adjustable Attached at its rear end to the supporting frame, for instance to the members 20 and vertically by force applied to the lever 35,1120y correspondingly elevate and depress the for. ward part of the frame and the teeth car i ried thereby. v8:5

21, are brackets'36 and 37 having bearings 38 and 39 at theirrear ends to rotatively receive L-shaped members 40and 41. At their inner ends the horizontal portions of the members 40 and I41 are 'received in the oppo-` siteI ends of a sleeve or harrow Ishaft 42. .The sleeve v42'is provided with al plurality of spaced aperturcs43, while the portions of lthe members 40. and 41 which .enter the sleeve y are correspondingly apertured to `receive holding pins, by which means the members 40 and 41 may be adjustably. coupledvto the sleeve.y 4

Attheir lower and rearv ends themembers` 40 and 41 are provided with bearings 44 and 45 to rotatively-support an aXle 46 carrying bearing wheels 47 and 48.

Engaging the axle 46 is an operating lever arm 49, and engaging the sleeve 42 is a clip device 50 through which the lever arm extends, the clip being'loosely coupledto the lever arm by a pin 51. l

By this arrangement it will be obvious that a pulling or pushing force applied to the arm y49 will swing the axle 46 together with the roc/k shaft device formed by the sleeve member 42 and the L-shaped members 40 and 41, in the bearings 36 and 37 and thus elevate or depress the frame structure relative to the ground.

Supported for oscillation in bearings 52 and 53 on the frame members 13 and 21, is a relatively short rock shaft 54, extended kat one yend into an arm 55, and with another arm 56 extended therefrom land intermediate the ends.

The arm 56 is 'extended upwardly as at 57 and directed laterally to form "a pedal 58 convenient to the foot of the operator on the seat `59.

The rod jGO is lconnected at its ends respectively to the lever arms 49 and "55, while another rod 61 is likewise connected at its ends to the arms 35 kand 56.

The lever arms 35 and 49 are provided with 'a plurality of spaced kapertures to vreceive the pivot pins of the rods '6:0 'and 61, to 4enable 'the rods to be adjusted to 'control the throw"7 of the members 35 and 49.

Attached to or formed integral with the rock-shaft 54 is an actuating lever 62 profvided with a pawl 'device represented conventionally at :63 and coacting with a notched segment "'64, By this means the Vroch shaft 54 m=ay be oscilla-ted to any required extent within the range of the notched segment, to control the position of the caster wheel 34 and the bearing wheel-s 47 `and v4'8, and co1'- respondingly control the depth of the cut of the teeth 26.

It is obvious that when the operating` lever 62 Vis moved into its forward positionl as shown in Figs. 1 and 2, the caster wheel 34 and the bearing wheels 47 and 48 will be moved into their lower position and 'thus elevate the :supporting frame with the teeth 26 clear 'of the ground, to enable the implement "to be readily transported, and then by adjusting the operating` lever to 'any required intermediate point, the depth of the cut of the teeth may be readily 'and easily controlled.

By providing` the foot pedal '58, the improved device m'ay be actuated by the pres sure Vof the foot to 'supplement the movement of the lever '62. 4

The improved device is simple in construction, can be manufactured at a relatively small expense Ior without material additional expense to an ordinary harrow, and the efficiency and utility of implements of this character is materially increased.

The preferred embodiment of the invention is disclose-d in 'the drawings and set forth in the specification, but it will `be un- ;derstoodthat modifications within thescope of the claimed invention may be made in the construction without departingr from the principle of the invention or sacrificing any of its advantages.

Having thus described the invention what is claimed as new'is 1. An implement of the class described comprising asupporting lframe including a plurality of beam anembers carrying earth engaging elements, an axle carrying bearing wheels, a rock shaft device having downturn'ed ends engaging said axle and .mounted on said `trama an operating'lever connected to said axle, a clip device connecting .said lever to said rock 'shaft device,.and means for actuating said ,rock shaft device to cause the vertical adjustment of said bearing wheels.

An implement of the class described comprising a supporting frame including fa vplurality of beam devices carryingearth engaging elements, an axle carrying bearing wheels, a sleeve member, brackets attached to said supporting frame, L-shaped n'ieinbere` each rota-tively 'engaging by'one arm in lsaid brackets and .attached to said sleeve and engaging said axle by the other arm, a .lever arm connected to said axle, .and :means for actuating said lever arm to cause said axle to be rotated with said sleeve to elevate and depress the frame relative. to the bearing wheels. f

An implement of the class described comprising a supporting frame 1including a plurality 'of beam devices carrying earth engaging elements, an axle carrying bearing wheels, .a sleeve member, Abrackets attached to said supporting frame, L-shaped members -each rotatively engaging one arm in-said brackets and attached 'to Vsaid ysleeve and engaging said axle 3by the other arm, a lever 'arm connected to said axle, :a .clip vdevice connected to said sleeve and engaging said arm, and means for actuating said ylever arm to cause said axle to be rotative with said .sleeve to elevate and depress the frame relative to the bearing wheels. y

In testimony whereof, I aliix my signature hereto. Y *Y y A URBAN() PEDROARENA. 

